
Angel of Serenity | Creature | Angel | Flying
When Angel of Serenity enters the battlefield, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards.
When Angel of Serenity leaves the battlefield, return the exiled cards to their owners' hands. | Aleksi Briclot

Utvara Hellkite | Creature | Dragon | Flying
Whenever a Dragon you control attacks, create a 6/6 red Dragon creature token with flying. | Mark Zug

Worldspine Wurm | Creature | Wurm | Trample
When Worldspine Wurm dies, create three 5/5 green Wurm creature tokens with trample.
When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library. | Richard Wright